Screw



FIG. 1 is a perspective view of the screw showing my new design, taken from the top, rear and right side thereof;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a cross-sectional view thereof taken along the lines 8-8 in FIG. 6, illustrating the configuration of the groove formed in the screw.

The broken lines in all figures illustrate portions of the screw that form no part of the claimed design. 

CLAIM The ornamental design for a screw, as shown and described. 